# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""This module contains utilities for test to report result to Sponge.
"""

import logging
import os
import socket
import time
import traceback

import common

try:
    import sponge
except ImportError:
    logging.debug('Module failed to be imported: sponge')
    sponge = None

from autotest_lib.client.common_lib import decorators
from autotest_lib.client.common_lib import global_config
from autotest_lib.client.common_lib.cros.graphite import autotest_es
from autotest_lib.site_utils import job_directories
from autotest_lib.tko import models
from autotest_lib.tko import utils as tko_utils


CONFIG=global_config.global_config

RETRIEVE_LOGS_CGI = CONFIG.get_config_value(
        'BUG_REPORTING', 'retrieve_logs_cgi', default='')
RESULTS_URL_FMT = RETRIEVE_LOGS_CGI + 'results/%s-%s/%s'
USE_PROD_SERVER = CONFIG.get_config_value(
        'SERVER', 'use_prod_sponge_server', default=False, type=bool)

# Type string of metadata.
_SPONGE_UPLOAD_FAILURE_TYPE = 'sponge_upload_failure'

@decorators.test_module_available(sponge)
def upload_results_in_test(test, test_pass=True, acts_summary=None):
    """Upload test results to Sponge.

    @param test: A test object.
    @param test_pass: True if test passed, False otherwise. Default is set to
            True. When test results are reported inside test, the test is
            considered to success, or exception like TestFail would have been
            raised if the test has failed.
    @param acts_summary: Path to the json file of ACTS test summary.

    @return: A url to the Sponge invocation.
    """
    try:
        # job keyval file has the information about the test job except
        # `job_finished`, which is written after the test is actually finished.
        # Therefore, the `end_time` for a Sponge invocation is set to current
        # time.
        job_keyvals = models.test.parse_job_keyval(test.resultsdir)
        status = 'GOOD' if test_pass else 'FAIL'
        job_id = job_directories.get_job_id_or_task_id(test.resultsdir)
        results_dir = tko_utils.find_toplevel_job_dir(test.resultsdir)
        dut = test.job.machines[0] if len(test.job.machines) > 0 else ''
        results_url = RESULTS_URL_FMT % (job_id, test.job.user, dut)

        invocation_url = sponge.upload_utils.Upload(
                job_id=job_id,
                test_name=test.tagged_testname,
                dut=','.join(test.job.machines),
                drone=job_keyvals.get('drone', socket.gethostname()),
                status=status,
                start_time=job_keyvals['job_started'],
                end_time=time.time(),
                results_dir=results_dir,
                results_url=results_url,
                acts_summary=acts_summary,
                use_prod_server=USE_PROD_SERVER)
        logging.debug('Test result is uploaded to Sponge: %s', invocation_url)
        return invocation_url
    except Exception as e:
        metadata = {'method': 'upload_results_in_test',
                    'job_id': job_id, 'error': str(e),
                    'details': traceback.format_exc()}
        autotest_es.post(use_http=True, type_str=_SPONGE_UPLOAD_FAILURE_TYPE,
                         metadata=metadata)
        logging.exception('Failed to upload to Sponge: %s', e)


@decorators.test_module_available(sponge)
def upload_results(job, log=logging.debug):
    """Upload test results to Sponge with given job details.

    @param job: A job object created by tko/parsers.
    @param log: Logging method, default is logging.debug.

    @return: A url to the Sponge invocation.
    """
    job_id = job_directories.get_job_id_or_task_id(job.dir)
    results_dir = tko_utils.find_toplevel_job_dir(job.dir)
    results_url = RESULTS_URL_FMT % (job_id, job.user, job.machine)

    # Try to locate test_run_summary.json file for android_ACTS test.
    acts_summary = os.path.join(results_dir, 'latest', 'test_run_summary.json')
    if not os.path.exists(acts_summary):
        acts_summary = None

    status = 'GOOD'
    for test in job.tests:
        if test.status != 'GOOD':
            status = test.status
            break

    try:
        invocation_url = sponge.upload_utils.Upload(
                job_id=job_id,
                test_name=job.label,
                dut=job.machine,
                drone=job.keyval_dict.get('drone', socket.gethostname()),
                status=status,
                start_time=job.keyval_dict['job_started'],
                end_time=job.keyval_dict.get('job_finished', time.time()),
                results_dir=results_dir,
                results_url=results_url,
                acts_summary=acts_summary,
                job=job,
                use_prod_server=USE_PROD_SERVER)
        log('Test result is uploaded to Sponge: %s' % invocation_url)
        return invocation_url
    except Exception as e:
        metadata = {'method': 'upload_results',
                    'job_id': job_id, 'error': str(e),
                    'details': traceback.format_exc()}
        autotest_es.post(use_http=True, type_str=_SPONGE_UPLOAD_FAILURE_TYPE,
                         metadata=metadata)
        log('Failed to upload to Sponge: %s\nDetails:\n%s' %
            (e, traceback.format_exc()))